Linear regression analysis was used to analyze whether the increase in sweet potato consumption in the United States since 2001 is due to the impacts of changes in then retail price of fresh sweet potatoes, real disposable personal income, real retail price c- fresh white potatoes, or tastes and preferences. Results show that sweet potato price, disposable income explain some of the changes in consumption, but a significant amount of the increase in consumption remains, suggesting that consumer tastes and preferences have changed.
